946 



B. Sides washed with pinkish Ijrowii, 



1. Smaller, back reddish brown. 



2. Larger, back more grayish brown. 



C. Sides gray. 



V. Head or throat with conspicuous black. 



A. Forehead, tliroat and upper breast l)lack, side of head 



with two white stripes enclosing black. 



B. Crown, throat, and upper breast black. 



1. Outer tail feathers white at the end. 



2. 0\Uer tail feathers without white, 

 a. .-X wliite spot in the wing. 



Ii. No white spot in wing. 



VI. Crown and breast black, throat white. 



V'll. Crown and side of head black. Ixidy cinnamon. 



VII I. Head conspicuously striped, with median line but with- 

 out yellow. 



A. Crown black and white or brown and wliite. Xo white 



on tail. 



1. Bend of wing yellowish. 



2. Bend of wing not yellowish. 



B. Head variegated, black, white and chestnut. Tail tipped 



with white. 



IX. Head otherwise but still strongly marked. 



A. Whole head and neck white. 



B. Crown rufous. 



1. Remaining plumage chiefly white. 



2. Throat and belly white, back olive-green. 

 ,^. Underparts grayish, back streaked. 



a. Two conspicuous white bars on wing. 



b. Wing without conspicuous bars. 



X. Plumage largely or chiefly streaked and without yellow on 



head. 



A. Streaked practically all over in nearly uniform pattern. 



1. With concealed yellow on wings and tall. 



2. Without such yellow. 



a. Streaks more distinct. 



b. Streaks more blended. 



B. Pattern of upperparts and underparts noticeably different, 

 r. Not conspicuously streaked below. 



a. Crown rufous. 



(i). With two wdiite wing-bars. 

 (2). Without such wing-bars. 



b. Crown chiefly flaxen, head markings varied. 



c. Merely streaked on head and upperparts. 

 2. More or less spotted or streaked below. 



a. Tail with white at least on outer rectrix. 

 d). Throat white. 



(2). Throat streaked. 



(a). Upperparts grayish brown. 



( b ) . Upperparts more bufify brown. 



b. Tail without white. 



(r). Feathers of tail pointed. 

 (2). Tail feathers not pointed. 



(a). Tail redder brown than the back. 

 (aO. The spots on the underparts .gray, 

 (b')- Spots on underparts brown, 

 (a-). Back indistinctly streaked. 

 (a3). Grayish brown. 

 (bJ). Clear brown, 

 (b-). Upperparts nnstreaked. 



(a3). Upperparts lirownish umber. 



(b3). Upperparts rufous. 



(c3l. Upperparts umber brown. 



47. Oregon Junco. 



48. Shufeldt's Junco. 

 46. Slate=colored Junco. 



44. Desert Sparrow. 

 37. Alaskan Longspur. 



35. English Sparrow. 



B. C. & H. 4. Harris's Sparrow. 



B. C. & H. 3. McCown's Longspur. 



68. Black'headed Grosbeak. 



54. Nuttall's Sparrow. 

 53. tiambel's Sparrow. 

 38. Western Lark Sparrow. 



36. Snowflake. 



36. Snowflake. 



64. (jreen=tailed Towhee. 



49. Western Tree Sparrow. 



50. Western Chipping Sparrow. 



30. Pine Siskin. 



33. Cassin's Purple Finch. 



34. California Purple Finch. 



4Q. Western Tree Sparrow. 



50. Western Chipping Sparrow. 

 B. C. 3. Clay-colored Sparrow. 



51. Brewer's Sparrow. 



45. Sage Sparrow. 



3Q. Western Vesper Sparrow. 

 40. Oregon \'esper Sparrow. 



H. 27. Leconte's Sparrow. 



63. Slate=colored Sparrow. 



H. 29. Shumagin Fox Sparrow. 



60. Kadiak Fox Sparrow. 



62. Sooty Fox Sparrow. 



61. Townsend's Sparrow. 



H. 30. Vakutat Fox Sparrow. 



